Editorial
protocol
Machine Payments Protocol (MPP)
An open standard co-authored by Stripe and Tempo. Agents request a resource, receive a 402-style payment request, authorize, and the merchant can see the payment like any other PaymentIntent.
- What an agent can do
- Give agents an internet-native way to pay for APIs, MCP servers and HTTP resources, including settlement into existing merchant balances.
- Networks
- Tempo; card networks as described by the maintainers
- Live?
- Announced or waitlisted at last verification.
- Evidence
- Official Tempo mainnet announcement and Stripe documentation dated 18 March 2026. Partnership language from card networks is not a volume disclosure.
- Last verified
- 7 September 2026